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cpu: Removed 3DNow! support and SDL_Has3DNow().

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Reference Issue #6636.
This commit is contained in:
Ryan C. Gordon
2022-12-22 01:24:59 -05:00
committed by Sam Lantinga
parent 0187209f46
commit 1cf2b566af
13 changed files with 20 additions and 206 deletions
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24
CMakeLists.txt
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@@ -384,7 +384,6 @@ dep_option(SDL_SSE "Use SSE assembly routines" ON "SDL_ASSEMBLY;
dep_option(SDL_SSE2 "Use SSE2 assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_SSE3 "Use SSE3 assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_MMX "Use MMX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_3DNOW "Use 3Dnow! MMX assembly routines" ON "SDL_ASSEMBLY;SDL_CPU_X86 OR SDL_CPU_X64" OFF)
dep_option(SDL_ALTIVEC "Use Altivec assembly routines" ON "SDL_ASSEMBLY" OFF)
dep_option(SDL_ARMSIMD "Use SIMD assembly blitters on ARM" OFF "SDL_ASSEMBLY;SDL_CPU_ARM32" OFF)
dep_option(SDL_ARMNEON "Use NEON assembly blitters on ARM" OFF "SDL_ASSEMBLY;SDL_CPU_ARM32" OFF)
@@ -719,26 +718,6 @@ if(SDL_ASSEMBLY)
endif()
endif()
if(SDL_3DNOW)
cmake_push_check_state()
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -m3dnow")
check_c_source_compiles("
#include <mm3dnow.h>
#ifndef __3dNOW__
#error Assembler CPP flag not enabled
#endif
int main(int argc, char **argv) {
void *p = 0;
_m_prefetch(p);
return 0;
}" CPU_SUPPORTS_3DNOW)
cmake_pop_check_state()
if(CPU_SUPPORTS_3DNOW)
set(HAVE_3DNOW TRUE)
list(APPEND EXTRA_CFLAGS "-m3dnow")
endif()
endif()
if(SDL_SSE)
cmake_push_check_state()
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -msse")
@@ -948,9 +927,6 @@ if(SDL_ASSEMBLY)
if(SDL_MMX)
set(HAVE_MMX TRUE)
endif()
if(SDL_3DNOW)
set(HAVE_3DNOW TRUE)
endif()
endif()
if(SDL_SSE)
set(HAVE_SSE TRUE)